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Depending on what you have available there are multiple ways to run
Flask applications. You can use the builtin server during development,
but you should use a full deployment option for production applications.
(Do not use the builtin development server in production.) Several
options are available and documented here.

If you have a different WSGI server look up the server documentation
about how to use a WSGI app with it. Just remember that your
Flask application object is the actual WSGI application.